dextrorse
Growing in a pattern that spirals clockwise around a central support; turning to the right when growing taller.
They are arranged in distinct dextrorse spirals, and are about one length apart.
Having a negative torsion.
Where it comes from
From Latin dextrorsum, contracted from dextrovorsum, dextroversum (“toward the right side”), from dexter (“right”) + versus, vorsus, past participle of vertere, vortere (“to turn”).
Adapted from the Wiktionary entry dextrorse (CC BY-SA 4.0).